       (config! (id :doc-ta) :popup doc-ta-popup)
       (config! doc-ta-popup :items [(id :new-browser-action) :separator (id :copy-fqn-action) 
                                     (id :fqn-from-clipboard-action) (id :fqn-from-selection-action)
-                                    (id :open-url-from-selection-action) :separator
+                                    (id :open-url-from-selection-action)
+                                    :separator (id :fqn-history-back-action) :separator
                                     ;;auto-refresh-browser-cb :separator
                                     (id :zoom-in-action) (id :zoom-out-action)])
                                     

  [root]
  (letfn [(id [kw] (select-id root kw))]
    (seesaw.meta/put-meta! root :atom-map (make-button-atom-map all-buttons-with-atoms))
    (swap! all-ns-unloaded-atom (fn [& a] (all-ns-unloaded)))
    (swap! all-ns-loaded-atom (fn [& a] (all-ns-loaded)))
    (config! (id :vars-lb-sp) :preferred-size (config (id :vars-lb-sp) :size))

                                    (id :copy-fqn-action) 
                                    (id :fqn-from-clipboard-action) 
                                    (id :fqn-from-selection-action)
                                    (id :open-url-from-selection-action)
                                    :separator (id :fqn-history-back-action)
                                    :separator
                                    (id :ns-require-btn-action)
                                    :separator 
